Home / 276,078.04-380,832.10-165,668.13

Finding the Fourth Proportional to 276,078.04, 380,832.10 and 165,668.13

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Solution

The fourth proportional to 276,078.04, 380,832.10 and 165,668.13 is: 228,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,078.04 : 380,832.10 = 165,668.13 : x
  2. Step 2: Convert to fraction form
    276,078.04/380,832.10 = 165,668.13/x
  3. Step 3: Cross multiply
    276,078.04x = 380,832.10 × 165,668.13
  4. Step 4: Simplify right side
    276,078.04x = 63,091,741,850.97
  5. Step 5: Solve for x
    x = 63,091,741,850.97/276,078.04
  6. Step 6: Final answer
    x = 228,528.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.